Sinodrills DTH Button Bit DTH button bit diameter: 76mm to 311mm; DTH button bit shank style: DHD3.5, DHD340, DHD350, DHD360, DHD380, COP34,COP44,COP54,COP64,COP84, SD4, SD5, SD6, SD8, QL40,QL50,QL6

Sinodrills Button Bit Tapered Button Bit: Tapered button bit diameter: 28mm, 30mm, 32mm, 34mm, 36mm, 40mm, etc. Tapered bit degree: 4.46 degree, 7 degree, 11 degree, 12 degree, etc; Threaded But

Sinodrills Core Barrel and Overshots Core barrel: AQ, BQ, NQ, HQ, PQ, NQ3, HQ3, PQ3, T2 101, LTK60 Overshot: AQ, BQ, NQ, HQ, and PQ;

Sinodrills Core Bit Diamond core bit: impregnated diamond core bit, surface set diamond core bit, tungsten carbide core bit; Impregnated diamond core bits sizes: Q series:AQ,BQ,NQ,HQ,PQ/AQTK,BQTK,B

Sinodrills Coupling Sleeve Coupling Sleeve thread size: R22, R25, R28, R32, R38, T38, T45, T51 Coupling sleeve design: full bridge coupling sleeve, semi-bridge coupling sleeve; Coupling length: 140

Sinodrills Step Drag Bit Step drag bit: three wings step drag bit, four wings step drag bit; Step drag bits diameter: 76mm to 445mm; Step drag bits thread sizes: 2 3/8" API Reg, 3 1/2" API Reg, 4 1

Sinodrills DTH Drill Rod DTH drill rods out diameter: 76mm, 89mm, 102mm, 114mm; DTH drill rods thread sizes: 2 3/8"API Reg, 2 7/8" API Reg, 3 1/2" API Reg, 4 1/2" API Reg, 2 3/8" API IF, 3 1/2" API

Sinodrills DTH Hammer DTH hammer sizes: 3", 3.5", 4", 5", 6", 8"; DTH hammer shank styles: DHD3.5, DHD340, DHD350, DHD360, DHD380, SD4, SD5, SD6, SD8, Mission40, Mission50, Mission60, Mission80;

Sinodrills Reaming Shell, Casting Q Series: AQ, BQ, NQ, HQ, PQ (Front end & Back end Type) T Series: T36, T46, T56, T66, T76, T86 WF Series: HWF, PWF, SWF, UWF, ZWF WT Series: RWT, EWT, AWT, BWT,